历史资源模型修改

app/models/attachment.rb

@@ -519,6 +519,10 @@ class Attachment < ActiveRecord::Base
     end
   end
 
+  #更新文件的版本
+  def update_attchment_version
+  end
+
   private
 
   # Physically deletes the file from the file system

app/models/attachment_history.rb

@@ -1,3 +1,3 @@
 class AttachmentHistory < ActiveRecord::Base
-  belongs_to :attachment,foreign_key: 'attach_id'
+  belongs_to :attachment,foreign_key: 'attachment_id'
 end

db/migrate/20151230022443_rename_attachment_histories_column_version_id_to_attachment_id.rb

@@ -0,0 +1,8 @@
+class RenameAttachmentHistoriesColumnVersionIdToAttachmentId < ActiveRecord::Migration
+  def up
+    rename_column :attachment_histories,:version_id,:attachment_id
+  end
+
+  def down
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20151229045505) do
+ActiveRecord::Schema.define(:version => 20151230022443) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -98,7 +98,7 @@ ActiveRecord::Schema.define(:version => 20151229045505) do
     t.integer  "copy_from"
     t.integer  "quotes"
     t.integer  "version"
-    t.integer  "version_id"
+    t.integer  "attachment_id"
   end
 
   create_table "attachments", :force => true do |t|